Issue #KN-257 merge: Merge pull request #877 from Jayaprakash8887/release-5.1.0

Issue #KN-257 feat: Content Release DIAL codes API refactor.

content-api/content-actors/src/main/scala/org/sunbird/content/dial/DIALManager.scala

@@ -10,6 +10,7 @@ import org.sunbird.graph.dac.model.Node
 import org.sunbird.graph.nodes.DataNode
 import org.sunbird.graph.utils.ScalaJsonUtils
 import org.sunbird.managers.HierarchyManager
+import org.sunbird.telemetry.logger.TelemetryManager
 
 import java.util
 import scala.collection.JavaConverters._
@@ -357,8 +358,14 @@ object DIALManager {
 			val imageCollectionHierarchy = getImageHierarchyResponse.getResult.getOrDefault(ContentConstants.CONTENT, new java.util.HashMap[String, AnyRef]()).asInstanceOf[java.util.Map[String, AnyRef]]
 			val imageChildrenHierarchy = imageCollectionHierarchy.get(ContentConstants.CHILDREN).asInstanceOf[util.List[util.Map[String, AnyRef]]].asScala.toList
 			val imageChildrenAssignedDIALList = getAssignedDIALcodes(imageChildrenHierarchy)
-			val contentImageAssignedDIALList = if(imageCollectionHierarchy.containsKey(DIALConstants.DIALCODES) && imageCollectionHierarchy.get(DIALConstants.DIALCODES) != null)
-				imageChildrenAssignedDIALList ++ imageCollectionHierarchy.getOrDefault(DIALConstants.DIALCODES, List.empty[String]).asInstanceOf[List[String]]
+			val contentImageAssignedDIALList = if(imageCollectionHierarchy.containsKey(DIALConstants.DIALCODES) && imageCollectionHierarchy.get(DIALConstants.DIALCODES) != null) {
+				TelemetryManager.info("DIALManager:: populateAssignedDialCodes:: collection DIAL codes:: " + imageCollectionHierarchy.get(DIALConstants.DIALCODES).toString)
+				val hierarchyDialCode: List[String] = imageCollectionHierarchy.get(DIALConstants.DIALCODES) match {
+					case strVal: String => ScalaJsonUtils.deserialize(strVal).asInstanceOf[List[String]]
+					case anyVal => anyVal.asInstanceOf[List[String]]
+				}
+				imageChildrenAssignedDIALList ++ hierarchyDialCode
+			}
 			else imageChildrenAssignedDIALList
 
 			request.put(ContentConstants.ROOT_ID, contentId)